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发明名称
Heading and trimming machine
摘要
申请公布号
US2155920(A)
申请公布日期
1939.04.25
申请号
US19380207233
申请日期
1938.05.11
申请人
ALBERTS ARTHUR J
发明人
ALBERTS ARTHUR J.
分类号
B21K1/44
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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